Free 3D Assemblies

Models made of several parts. Every file here is public domain: open it in your browser, then download it and use it for anything.

3354 3D parts · STEP, STL, SketchUp, 3MF, OBJ, glTF, IFC, Rhino and more · public domain

2199 3D parts with Assembly · Clear all

  • Printable skull study modelstlRotate in 3D
    Printable skull study model

    Printable skull study model. Overall size 0.118 x 0.138 x 0.168 m; original unbranded model. Overall 118 x 138 x 168 mm. Nominal size: 118.00 x 138.00 x 167.89 mm overall. Watertight STL mesh in millimeters, ready to slice; printed performance is untested. Export to other formats from the viewer. Nominal dimensions for layout, fit checks and visualization; they do not establish a manufacturing tolerance class, load rating or standards certification. Original Innerscene model, released CC0.

  • Knee joint study modelstlRotate in 3D
    Knee joint study model

    Knee joint study model. Overall size 0.118 x 0.091 x 0.252 m; original unbranded model. Overall 118 x 91 x 252 mm. Nominal size: 118.00 x 90.51 x 252.00 mm overall. Watertight STL mesh in millimeters, ready to slice; printed performance is untested. Export to other formats from the viewer. Nominal dimensions for layout, fit checks and visualization; they do not establish a manufacturing tolerance class, load rating or standards certification. Original Innerscene model, released CC0.

  • Dental arch study modelstlRotate in 3D
    Dental arch study model

    Dental arch study model. Overall size 0.150 x 0.138 x 0.038 m; original unbranded model. Overall 150 x 138 x 38 mm. Nominal size: 150.00 x 138.00 x 37.70 mm overall. Watertight STL mesh in millimeters, ready to slice; printed performance is untested. Export to other formats from the viewer. Nominal dimensions for layout, fit checks and visualization; they do not establish a manufacturing tolerance class, load rating or standards certification. Original Innerscene model, released CC0.

  • Torso with removable organsglbRotate in 3D
    Torso with removable organs

    Torso with removable organs. Overall size 0.410 x 0.234 x 0.640 m; original unbranded model. Overall 410 x 234 x 640 mm. Nominal size: 410.00 x 234.17 x 640.00 mm overall. glTF binary (GLB) mesh with materials, modeled in meters at real-world scale. Export to other formats from the viewer. Nominal dimensions for layout, fit checks and visualization; they do not establish a manufacturing tolerance class, load rating or standards certification. Built by Innerscene from MakeHuman/MPFB CC0 body and skin assets; released CC0.

  • Lungs with trachea, respiratory systemglbRotate in 3D
    Lungs with trachea, respiratory system

    Lungs with trachea, respiratory system. Overall size 0.290 x 0.137 x 0.277 m; original unbranded model. Overall 290 x 137 x 277 mm. Nominal size: 289.99 x 137.10 x 276.94 mm overall. glTF binary (GLB) mesh with materials, modeled in meters at real-world scale. Export to other formats from the viewer. Nominal dimensions for layout, fit checks and visualization; they do not establish a manufacturing tolerance class, load rating or standards certification. Built by Innerscene from MakeHuman/MPFB CC0 body and skin assets; released CC0.

  • Kidneys, pairglbRotate in 3D
    Kidneys, pair

    Kidneys, pair. Overall size 0.190 x 0.032 x 0.189 m; original unbranded model. Overall 190 x 32 x 189 mm. Nominal size: 189.69 x 32.00 x 188.98 mm overall. glTF binary (GLB) mesh with materials, modeled in meters at real-world scale. Export to other formats from the viewer. Nominal dimensions for layout, fit checks and visualization; they do not establish a manufacturing tolerance class, load rating or standards certification. Built by Innerscene from MakeHuman/MPFB CC0 body and skin assets; released CC0.

  • IntestinesglbRotate in 3D
    Intestines

    Intestines. Overall size 0.255 x 0.132 x 0.205 m; original unbranded model. Overall 255 x 132 x 205 mm. Nominal size: 254.75 x 132.42 x 204.88 mm overall. glTF binary (GLB) mesh with materials, modeled in meters at real-world scale. Export to other formats from the viewer. Nominal dimensions for layout, fit checks and visualization; they do not establish a manufacturing tolerance class, load rating or standards certification. Built by Innerscene from MakeHuman/MPFB CC0 body and skin assets; released CC0.

  • HeartglbRotate in 3D
    Heart

    Heart. Overall size 0.103 x 0.072 x 0.148 m; original unbranded model. Overall 103 x 72 x 148 mm. Nominal size: 103.02 x 72.01 x 148.28 mm overall. glTF binary (GLB) mesh with materials, modeled in meters at real-world scale. Export to other formats from the viewer. Nominal dimensions for layout, fit checks and visualization; they do not establish a manufacturing tolerance class, load rating or standards certification. Built by Innerscene from MakeHuman/MPFB CC0 body and skin assets; released CC0.

  • Eye anatomy modelglbRotate in 3D
    Eye anatomy model

    Eye anatomy model. Overall size 0.024 x 0.037 x 0.023 m; original unbranded model. Overall 24 x 37 x 23 mm. Nominal size: 24.00 x 36.85 x 23.50 mm overall. glTF binary (GLB) mesh with materials, modeled in meters at real-world scale. Export to other formats from the viewer. Nominal dimensions for layout, fit checks and visualization; they do not establish a manufacturing tolerance class, load rating or standards certification. Built by Innerscene from MakeHuman/MPFB CC0 body and skin assets; released CC0.

  • Ear anatomy modelglbRotate in 3D
    Ear anatomy model

    Ear anatomy model. Overall size 0.054 x 0.031 x 0.065 m; original unbranded model. Overall 54 x 31 x 65 mm. Nominal size: 53.70 x 30.54 x 65.00 mm overall. glTF binary (GLB) mesh with materials, modeled in meters at real-world scale. Export to other formats from the viewer. Nominal dimensions for layout, fit checks and visualization; they do not establish a manufacturing tolerance class, load rating or standards certification. Built by Innerscene from MakeHuman/MPFB CC0 body and skin assets; released CC0.

  • BrainglbRotate in 3D
    Brain

    Brain. Overall size 0.137 x 0.163 x 0.128 m; original unbranded model. Overall 137 x 163 x 128 mm. Nominal size: 136.70 x 162.65 x 127.64 mm overall. glTF binary (GLB) mesh with materials, modeled in meters at real-world scale. Export to other formats from the viewer. Nominal dimensions for layout, fit checks and visualization; they do not establish a manufacturing tolerance class, load rating or standards certification. Built by Innerscene from MakeHuman/MPFB CC0 body and skin assets; released CC0.

  • Spine with sacrumglbRotate in 3D
    Spine with sacrum

    Spine with sacrum. Overall size 0.101 x 0.109 x 0.701 m; original unbranded model. Overall 101 x 109 x 701 mm. Nominal size: 100.50 x 109.23 x 700.97 mm overall. glTF binary (GLB) mesh with materials, modeled in meters at real-world scale. Export to other formats from the viewer. Nominal dimensions for layout, fit checks and visualization; they do not establish a manufacturing tolerance class, load rating or standards certification. Original Innerscene model, released CC0.

  • Detailed skull with articulated jawglbRotate in 3D
    Detailed skull with articulated jaw

    Detailed skull with articulated jaw. Overall size 0.150 x 0.197 x 0.235 m; original unbranded model. Overall 150 x 197 x 235 mm. Nominal size: 149.52 x 197.27 x 234.63 mm overall. glTF binary (GLB) mesh with materials, modeled in meters at real-world scale. Export to other formats from the viewer. Nominal dimensions for layout, fit checks and visualization; they do not establish a manufacturing tolerance class, load rating or standards certification. Original Innerscene model, released CC0.

  • Ribcage and sternumglbRotate in 3D
    Ribcage and sternum

    Ribcage and sternum. Overall size 0.302 x 0.176 x 0.331 m; original unbranded model. Overall 302 x 176 x 331 mm. Nominal size: 301.87 x 175.51 x 330.80 mm overall. glTF binary (GLB) mesh with materials, modeled in meters at real-world scale. Export to other formats from the viewer. Nominal dimensions for layout, fit checks and visualization; they do not establish a manufacturing tolerance class, load rating or standards certification. Original Innerscene model, released CC0.

  • PelvisglbRotate in 3D
    Pelvis

    Pelvis. Overall size 0.291 x 0.131 x 0.218 m; original unbranded model. Overall 291 x 131 x 218 mm. Nominal size: 290.51 x 131.32 x 217.54 mm overall. glTF binary (GLB) mesh with materials, modeled in meters at real-world scale. Export to other formats from the viewer. Nominal dimensions for layout, fit checks and visualization; they do not establish a manufacturing tolerance class, load rating or standards certification. Original Innerscene model, released CC0.

  • Hand bonesglbRotate in 3D
    Hand bones

    Hand bones. Overall size 0.123 x 0.024 x 0.195 m; original unbranded model. Overall 123 x 24 x 195 mm. Nominal size: 122.84 x 24.01 x 194.99 mm overall. glTF binary (GLB) mesh with materials, modeled in meters at real-world scale. Export to other formats from the viewer. Nominal dimensions for layout, fit checks and visualization; they do not establish a manufacturing tolerance class, load rating or standards certification. Original Innerscene model, released CC0.

  • Full adult skeleton, standingglbRotate in 3D
    Full adult skeleton, standing

    Full adult skeleton, standing. Overall size 0.642 x 0.291 x 1.750 m; original unbranded model. Overall 642 x 291 x 1750 mm. Nominal size: 642.20 x 290.57 x 1750.22 mm overall. glTF binary (GLB) mesh with materials, modeled in meters at real-world scale. Export to other formats from the viewer. Nominal dimensions for layout, fit checks and visualization; they do not establish a manufacturing tolerance class, load rating or standards certification. Original Innerscene model, released CC0.

  • Cranium cutawayglbRotate in 3D
    Cranium cutaway

    Cranium cutaway. Overall size 0.150 x 0.191 x 0.132 m; original unbranded model. Overall 150 x 191 x 132 mm. Nominal size: 149.52 x 191.16 x 132.20 mm overall. glTF binary (GLB) mesh with materials, modeled in meters at real-world scale. Export to other formats from the viewer. Nominal dimensions for layout, fit checks and visualization; they do not establish a manufacturing tolerance class, load rating or standards certification. Original Innerscene model, released CC0.

  • Worm reduction gearboxstepRotate in 3D
    Worm reduction gearbox

    Worm reduction gearbox. Overall size 0.176 x 0.161 x 0.144 m; original unbranded model. Overall 176 x 161 x 144 mm. Nominal size: 176.00 x 161.00 x 144.00 mm overall. Exact solid STEP geometry in millimeters, opens in any CAD system. Export to STL, OBJ, GLB and other formats from the viewer. Nominal dimensions for layout, fit checks and visualization; they do not establish a manufacturing tolerance class, load rating or standards certification. Original Innerscene model, released CC0.

  • Variable speed mechanical drivestepRotate in 3D
    Variable speed mechanical drive

    Variable speed mechanical drive. Overall size 0.641 x 0.338 x 0.270 m; original unbranded model. Overall 641 x 338 x 270 mm. Nominal size: 641.00 x 338.00 x 270.00 mm overall. Exact solid STEP geometry in millimeters, opens in any CAD system. Export to STL, OBJ, GLB and other formats from the viewer. Nominal dimensions for layout, fit checks and visualization; they do not establish a manufacturing tolerance class, load rating or standards certification. Original Innerscene model, released CC0.

  • Right-angle mechanical drivestepRotate in 3D
    Right-angle mechanical drive

    Right-angle mechanical drive. Overall size 0.046 x 0.046 x 0.022 m; original unbranded model. Overall 46 x 46 x 22 mm. Nominal size: 46.00 x 46.00 x 22.25 mm overall. Exact solid STEP geometry in millimeters, opens in any CAD system. Export to STL, OBJ, GLB and other formats from the viewer. Nominal dimensions for layout, fit checks and visualization; they do not establish a manufacturing tolerance class, load rating or standards certification. Original Innerscene model, released CC0.

  • Planetary gearbox, nominal 5:1 ratiostepRotate in 3D
    Planetary gearbox, nominal 5:1 ratio

    Planetary gearbox, nominal 5:1 ratio. Overall size 0.200 x 0.130 x 0.219 m; original unbranded model. Overall 200 x 130 x 219 mm. Nominal size: 200.00 x 130.00 x 219.00 mm overall. Exact solid STEP geometry in millimeters, opens in any CAD system. Export to STL, OBJ, GLB and other formats from the viewer. Nominal dimensions for layout, fit checks and visualization; they do not establish a manufacturing tolerance class, load rating or standards certification. Original Innerscene model, released CC0.

  • Planetary gearbox, nominal 3:1 ratiostepRotate in 3D
    Planetary gearbox, nominal 3:1 ratio

    Planetary gearbox, nominal 3:1 ratio. Overall size 0.200 x 0.130 x 0.219 m; original unbranded model. Overall 200 x 130 x 219 mm. Nominal size: 200.00 x 130.00 x 219.00 mm overall. Exact solid STEP geometry in millimeters, opens in any CAD system. Export to STL, OBJ, GLB and other formats from the viewer. Nominal dimensions for layout, fit checks and visualization; they do not establish a manufacturing tolerance class, load rating or standards certification. Original Innerscene model, released CC0.

  • Planetary gearbox, nominal 10:1 ratiostepRotate in 3D
    Planetary gearbox, nominal 10:1 ratio

    Planetary gearbox, nominal 10:1 ratio. Overall size 0.218 x 0.130 x 0.237 m; original unbranded model. Overall 218 x 130 x 237 mm. Nominal size: 218.00 x 130.00 x 237.00 mm overall. Exact solid STEP geometry in millimeters, opens in any CAD system. Export to STL, OBJ, GLB and other formats from the viewer. Nominal dimensions for layout, fit checks and visualization; they do not establish a manufacturing tolerance class, load rating or standards certification. Original Innerscene model, released CC0.

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